package collection;

import java.util.ArrayList;
import java.util.List;

//add()重载  remove（）重载
public class ListDemo2 {
    public static void main(String[] args) {
        List<String>list = new ArrayList<String>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        System.out.println("list: " + list);

        list.add(3,"six");
        System.out.println("list: " + list);

        list.add(6,"seven");
        System.out.println("list: " + list);

        list.remove(2);
        System.out.println("list: " + list);
        String old=list.remove(0);
        System.out.println(old);
        System.out.println("list: " + list);


    }
}
